STARLINK-33821, 63859
Orbit data source: Space-Track
STARLINK-33821, 63859 is a payload satellite owned by SpaceX/Seattle (US) in LEO that was launched on Wed, 07 May 2025 UTC via an FALCON 9 launch vehicle from the Air Force Eastern Test Range (AFETR). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.
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63859 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
SpaceX/Seattle
Mission
Operational Commercial Communications
Bus & Motor
STARLINK V2MO, Unknown motor
Mass
575 kg wet, ~530 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 17.7 m
Radar Cross Section
36.964 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 6 hours ago
TLE from 6 hours ago
0 STARLINK-33821
1 63859U 25093Z 25349.95267521 .00015087 00000-0 55632-3 0 9995
2 63859 42.9988 190.9387 0000188 299.1187 60.9646 15.27598991 35144Epoch: 2025-12-15T22:51Z
TLE epoch observation values (Epoch: 2025-12-15T22:51:51.138Z)
Latitude
0.00001°
Longitude
123.13178°
Altitude
482.705 km
Speed
7.626 km/s
True Right ascension
12h 43m 45s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
03:10:36
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
485.067 km
Perigee altitude
484.809 km
Semi-major axis
6,863.075 km
Eccentricity
0.00002
Inclination
42.9988°
RAAN
190.9387°
Arg. of periapsis
299.1187°
True anomaly
60.96648°
Mean anomaly
60.9646°
Eccentric anomaly
60.96554°
Mean motion
3.81738 °/min
Orbital period
94.31 mins
BSTAR
0.00055632
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Other satellites on launch #93 in the year 2025 (2025-05-07 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.STARLINK-33821 Visibility forecast
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Span | Click to sort rows by Start time (UTC) header in descending order | Start Az. | Max El. time (UTC) | Max El. Az. | Max El. | End time (UTC) | End Az. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2025-12-16 16:18:46.270Z | 196.7° SSW | 2025-12-16 16:21:46.270Z | 137.449° SSE | 21.456° | 2025-12-16 16:23:46.270Z | 99.202° ESE |
| 6 mins | 2025-12-16 17:57:46.270Z | 252.303° W | 2025-12-16 17:59:46.270Z | 258.234° W | 43.761° | 2025-12-16 18:03:46.270Z | 71.809° E |
| 6 mins | 2025-12-16 19:36:46.270Z | 288.281° WNW | 2025-12-16 19:38:46.270Z | 330.989° NNW | 36.418° | 2025-12-16 19:42:46.270Z | 76.585° E |
| 6 mins | 2025-12-16 21:15:46.270Z | 289.453° WNW | 2025-12-16 21:18:46.270Z | 90.03° ESE | 43.273° | 2025-12-16 21:21:46.270Z | 105.935° ESE |
| 4 mins | 2025-12-16 22:55:46.270Z | 245.953° WSW | 2025-12-16 22:56:46.270Z | 221.963° SW | 22.93° | 2025-12-16 22:59:46.270Z | 160.516° S |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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